1 | MODULE limtrp |
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2 | !!====================================================================== |
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3 | !! *** MODULE limtrp *** |
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4 | !! LIM transport ice model : sea-ice advection/diffusion |
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5 | !!====================================================================== |
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6 | !! History : LIM-2 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, and T. Fichefet) Original code |
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7 | !! 3.0 ! 2005-11 (M. Vancoppenolle) Multi-layer sea ice, salinity variations |
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8 | !! 4.0 ! 2011-02 (G. Madec) dynamical allocation |
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9 | !!---------------------------------------------------------------------- |
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10 | #if defined key_lim3 |
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11 | !!---------------------------------------------------------------------- |
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12 | !! 'key_lim3' LIM3 sea-ice model |
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13 | !!---------------------------------------------------------------------- |
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14 | !! lim_trp : advection/diffusion process of sea ice |
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15 | !!---------------------------------------------------------------------- |
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16 | USE phycst ! physical constant |
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17 | USE dom_oce ! ocean domain |
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18 | USE sbc_oce ! ocean surface boundary condition |
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19 | USE dom_ice ! ice domain |
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20 | USE ice ! ice variables |
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21 | USE limadv ! ice advection |
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22 | USE limhdf ! ice horizontal diffusion |
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23 | USE limvar ! |
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24 | ! |
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25 | USE in_out_manager ! I/O manager |
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26 | USE lbclnk ! lateral boundary conditions -- MPP exchanges |
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27 | USE lib_mpp ! MPP library |
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28 | USE wrk_nemo ! work arrays |
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29 | USE prtctl ! Print control |
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30 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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31 | USE timing ! Timing |
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32 | USE limcons ! conservation tests |
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33 | USE limctl ! control prints |
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34 | USE limadv_umx ! advection scheme |
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35 | |
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36 | IMPLICIT NONE |
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37 | PRIVATE |
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38 | |
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39 | PUBLIC lim_trp ! called by sbcice_lim |
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40 | |
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41 | INTEGER :: ncfl ! number of ice time step with CFL>1/2 |
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42 | |
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43 | !! * Substitution |
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44 | # include "vectopt_loop_substitute.h90" |
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45 | !!---------------------------------------------------------------------- |
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46 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
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47 | !! $Id$ |
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48 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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49 | !!---------------------------------------------------------------------- |
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50 | CONTAINS |
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51 | |
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52 | SUBROUTINE lim_trp( kt ) |
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53 | !!------------------------------------------------------------------- |
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54 | !! *** ROUTINE lim_trp *** |
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55 | !! |
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56 | !! ** purpose : advection/diffusion process of sea ice |
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57 | !! |
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58 | !! ** method : variables included in the process are scalar, |
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59 | !! other values are considered as second order. |
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60 | !! For advection, a second order Prather scheme is used. |
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61 | !! |
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62 | !! ** action : |
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63 | !!--------------------------------------------------------------------- |
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64 | INTEGER, INTENT(in) :: kt ! number of iteration |
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65 | ! |
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66 | INTEGER :: ji, jj, jk, jm, jl, jt ! dummy loop indices |
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67 | INTEGER :: initad ! number of sub-timestep for the advection |
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68 | REAL(wp) :: zcfl , zusnit ! - - |
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69 | CHARACTER(len=80) :: cltmp |
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70 | ! |
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71 | REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b |
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72 | REAL(wp) :: zdv, zda |
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73 | REAL(wp), POINTER, DIMENSION(:,:) :: zatold, zeiold, zesold, zsmvold |
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74 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhimax, zviold, zvsold |
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75 | ! --- diffusion --- ! |
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76 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zhdfptab |
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77 | INTEGER , PARAMETER :: ihdf_vars = 6 ! Number of variables in which we apply horizontal diffusion |
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78 | ! inside limtrp for each ice category , not counting the |
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79 | ! variables corresponding to ice_layers |
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80 | ! --- ultimate macho only --- ! |
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81 | REAL(wp) :: zdt |
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82 | LOGICAL :: lcon |
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83 | REAL(wp), POINTER, DIMENSION(:,:) :: ze, zu_trp, zv_trp, z1_v, zudy, zvdx |
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84 | ! --- prather only --- ! |
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85 | REAL(wp), POINTER, DIMENSION(:,:) :: zarea |
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86 | REAL(wp), POINTER, DIMENSION(:,:,:) :: z0opw |
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87 | REAL(wp), POINTER, DIMENSION(:,:,:) :: z0ice, z0snw, z0ai, z0es , z0smi , z0oi |
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88 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: z0ei |
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89 | !! |
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90 | !!--------------------------------------------------------------------- |
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91 | IF( nn_timing == 1 ) CALL timing_start('limtrp') |
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92 | |
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93 | CALL wrk_alloc( jpi,jpj, zatold, zeiold, zesold, zsmvold ) |
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94 | CALL wrk_alloc( jpi,jpj,jpl, zhimax, zviold, zvsold ) |
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95 | CALL wrk_alloc( jpi,jpj,jpl*(ihdf_vars + nlay_i)+1, zhdfptab) |
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96 | |
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97 | IF( kt == nit000 .AND. lwp ) THEN |
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98 | WRITE(numout,*)'' |
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99 | WRITE(numout,*)'limtrp' |
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100 | WRITE(numout,*)'~~~~~~' |
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101 | ncfl = 0 ! nb of time step with CFL > 1/2 |
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102 | ENDIF |
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103 | |
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104 | CALL lim_var_agg( 1 ) ! integrated values + ato_i |
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105 | |
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106 | !-------------------------------------! |
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107 | ! Advection of sea ice properties ! |
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108 | !-------------------------------------! |
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109 | |
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110 | ! conservation test |
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111 | IF( ln_limdiahsb ) CALL lim_cons_hsm(0, 'limtrp', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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112 | |
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113 | ! store old values for diag |
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114 | zviold = v_i |
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115 | zvsold = v_s |
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116 | zsmvold(:,:) = SUM( smv_i(:,:,:), dim=3 ) |
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117 | zeiold (:,:) = et_i |
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118 | zesold (:,:) = et_s |
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119 | |
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120 | !--- Thickness correction init. --- ! |
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121 | zatold(:,:) = at_i |
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122 | DO jl = 1, jpl |
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123 | DO jj = 1, jpj |
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124 | DO ji = 1, jpi |
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125 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) |
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126 | ht_i (ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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127 | ht_s (ji,jj,jl) = v_s (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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128 | END DO |
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129 | END DO |
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130 | END DO |
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131 | ! --- Record max of the surrounding ice thicknesses for correction in case advection creates ice too thick --- ! |
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132 | zhimax(:,:,:) = ht_i(:,:,:) + ht_s(:,:,:) |
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133 | DO jl = 1, jpl |
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134 | DO jj = 2, jpjm1 |
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135 | DO ji = 2, jpim1 |
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136 | zhimax(ji,jj,jl) = MAXVAL( ht_i(ji-1:ji+1,jj-1:jj+1,jl) + ht_s(ji-1:ji+1,jj-1:jj+1,jl) ) |
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137 | END DO |
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138 | END DO |
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139 | CALL lbc_lnk(zhimax(:,:,jl),'T',1.) |
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140 | END DO |
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141 | |
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142 | ! --- If ice drift field is too fast, use an appropriate time step for advection --- ! |
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143 | zcfl = MAXVAL( ABS( u_ice(:,:) ) * rdt_ice * r1_e1u(:,:) ) ! CFL test for stability |
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144 | zcfl = MAX( zcfl, MAXVAL( ABS( v_ice(:,:) ) * rdt_ice * r1_e2v(:,:) ) ) |
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145 | IF(lk_mpp ) CALL mpp_max( zcfl ) |
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146 | |
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147 | IF( zcfl > 0.5 ) THEN ; initad = 2 ; zusnit = 0.5_wp |
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148 | ELSE ; initad = 1 ; zusnit = 1.0_wp |
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149 | ENDIF |
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150 | |
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151 | !! IF( zcfl > 0.5_wp .AND. lwp ) THEN |
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152 | !! ncfl = ncfl + 1 |
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153 | !! IF( ncfl > 0 ) THEN |
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154 | !! WRITE(cltmp,'(i6.1)') ncfl |
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155 | !! CALL ctl_warn( 'lim_trp: ncfl= ', TRIM(cltmp), 'advective ice time-step using a split in sub-time-step ') |
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156 | !! ENDIF |
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157 | !! ENDIF |
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158 | |
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159 | #if defined key_limumx |
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160 | !=============================! |
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161 | !== Ultimate-MACHO scheme ==! |
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162 | !=============================! |
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163 | |
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164 | CALL wrk_alloc( jpi,jpj, ze, zu_trp, zv_trp, z1_v, zudy, zvdx ) |
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165 | |
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166 | IF( kt == nit000 .AND. lwp ) THEN |
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167 | WRITE(numout,*)'' |
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168 | WRITE(numout,*)'lim_adv_umx : Ultimate-MACHO advection scheme' |
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169 | WRITE(numout,*)'~~~~~~~~~~~' |
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170 | ENDIF |
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171 | ! |
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172 | zdt = rdt_ice / REAL(initad) |
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173 | |
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174 | ! transport |
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175 | zudy(:,:) = u_ice(:,:) * e2u(:,:) |
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176 | zvdx(:,:) = v_ice(:,:) * e1v(:,:) |
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177 | ! |
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178 | DO jt = 1, initad |
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179 | lcon = .TRUE. |
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180 | !!! lcon = .false. |
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181 | CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zudy, zvdx, ato_i(:,:), ato_i(:,:) ) ! Open water area |
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182 | ! |
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183 | DO jl = 1, jpl |
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184 | WHERE( v_i(:,:,jl) /= 0._wp ) ; z1_v(:,:) = 1._wp / v_i(:,:,jl) |
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185 | ELSEWHERE ; z1_v(:,:) = 0._wp |
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186 | END WHERE |
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187 | ! |
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188 | lcon = .TRUE. |
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189 | !!! lcon = .false. |
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190 | CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zudy, zvdx, a_i(:,:,jl), a_i(:,:,jl) ) ! Ice area |
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191 | CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zudy, zvdx, v_i(:,:,jl), v_i(:,:,jl), zu_trp, zv_trp ) ! Ice volume |
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192 | ! |
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193 | lcon = .FALSE. |
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194 | ze(:,:) = smv_i(:,:,jl) * z1_v(:,:) |
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195 | CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zu_trp, zv_trp, ze, smv_i(:,:,jl) ) ! Salt content |
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196 | ! |
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197 | !!!check that ze(:,:) = oa_i (:,:,jl) * z1_v(:,:) |
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198 | !!!check that CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zu_trp, zv_trp, ze, oa_i (:,:,jl) ) ! Age content |
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199 | ! |
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200 | zu_trp(:,:) = zu_trp(:,:) * r1_nlay_i |
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201 | zv_trp(:,:) = zv_trp(:,:) * r1_nlay_i |
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202 | z1_v (:,:) = z1_v (:,:) * REAL( nlay_i, wp ) |
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203 | DO jk = 1, nlay_i |
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204 | ze (:,:) = e_i(:,:,jk,jl) * z1_v(:,:) |
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205 | CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zu_trp, zv_trp, ze, e_i(:,:,jk,jl) ) ! Ice heat content |
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206 | END DO |
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207 | ! |
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208 | WHERE( v_s(:,:,jl) /= 0._wp ) ; z1_v(:,:) = 1._wp / v_s(:,:,jl) |
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209 | ELSEWHERE ; z1_v(:,:) = 0._wp |
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210 | END WHERE |
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211 | ! |
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212 | lcon = .TRUE. |
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213 | !!! lcon = .false. |
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214 | CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zudy, zvdx, v_s(:,:,jl), v_s(:,:,jl), zu_trp, zv_trp ) ! Snow volume |
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215 | ! |
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216 | lcon = .FALSE. |
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217 | ze (:,:) = e_s(:,:,1,jl) * z1_v(:,:) |
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218 | CALL lim_adv_umx( lcon, kt, zdt, zudy, zvdx, zu_trp, zv_trp, ze, e_s(:,:,1,jl) ) ! Snow heat content |
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219 | ! |
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220 | END DO |
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221 | END DO |
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222 | ! |
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223 | at_i(:,:) = a_i(:,:,1) ! total ice fraction |
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224 | DO jl = 2, jpl |
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225 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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226 | END DO |
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227 | ! |
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228 | CALL wrk_dealloc( jpi,jpj, ze, zu_trp, zv_trp, z1_v, zudy, zvdx ) |
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229 | |
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230 | #else |
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231 | !=============================! |
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232 | !== Prather scheme ==! |
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233 | !=============================! |
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234 | |
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235 | CALL wrk_alloc( jpi,jpj, zarea ) |
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236 | CALL wrk_alloc( jpi,jpj,1, z0opw ) |
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237 | CALL wrk_alloc( jpi,jpj,jpl, z0ice, z0snw, z0ai, z0es , z0smi , z0oi ) |
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238 | CALL wrk_alloc( jpi,jpj,nlay_i,jpl, z0ei ) |
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239 | |
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240 | IF( kt == nit000 .AND. lwp ) THEN |
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241 | WRITE(numout,*)'' |
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242 | WRITE(numout,*)'lim_adv_xy : Prather advection scheme' |
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243 | WRITE(numout,*)'~~~~~~~~~~~' |
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244 | ENDIF |
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245 | |
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246 | zarea(:,:) = e12t(:,:) |
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247 | |
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248 | !------------------------- |
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249 | ! transported fields |
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250 | !------------------------- |
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251 | z0opw(:,:,1) = ato_i(:,:) * e12t(:,:) ! Open water area |
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252 | DO jl = 1, jpl |
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253 | z0snw (:,:,jl) = v_s (:,:,jl) * e12t(:,:) ! Snow volume |
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254 | z0ice(:,:,jl) = v_i (:,:,jl) * e12t(:,:) ! Ice volume |
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255 | z0ai (:,:,jl) = a_i (:,:,jl) * e12t(:,:) ! Ice area |
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256 | z0smi (:,:,jl) = smv_i(:,:,jl) * e12t(:,:) ! Salt content |
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257 | z0oi (:,:,jl) = oa_i (:,:,jl) * e12t(:,:) ! Age content |
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258 | z0es (:,:,jl) = e_s (:,:,1,jl) * e12t(:,:) ! Snow heat content |
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259 | DO jk = 1, nlay_i |
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260 | z0ei (:,:,jk,jl) = e_i (:,:,jk,jl) * e12t(:,:) ! Ice heat content |
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261 | END DO |
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262 | END DO |
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263 | |
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264 | |
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265 | IF( MOD( ( kt - 1) / nn_fsbc , 2 ) == 0 ) THEN !== odd ice time step: adv_x then adv_y ==! |
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266 | DO jt = 1, initad |
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267 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0opw (:,:,1), sxopw(:,:), & !--- ice open water area |
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268 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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269 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0opw (:,:,1), sxopw(:,:), & |
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270 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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271 | DO jl = 1, jpl |
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272 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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273 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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274 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & |
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275 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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276 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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277 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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278 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & |
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279 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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280 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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281 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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282 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & |
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283 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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284 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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285 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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286 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & |
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287 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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288 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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289 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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290 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & |
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291 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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292 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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293 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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294 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & |
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295 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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296 | DO jk = 1, nlay_i !--- ice heat contents --- |
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297 | CALL lim_adv_x( zusnit, u_ice, 1._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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298 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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299 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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300 | CALL lim_adv_y( zusnit, v_ice, 0._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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301 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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302 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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303 | END DO |
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304 | END DO |
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305 | END DO |
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306 | ELSE |
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307 | DO jt = 1, initad |
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308 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0opw (:,:,1), sxopw(:,:), & !--- ice open water area |
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309 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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310 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0opw (:,:,1), sxopw(:,:), & |
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311 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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312 | DO jl = 1, jpl |
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313 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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314 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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315 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & |
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316 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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317 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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318 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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319 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & |
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320 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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321 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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322 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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323 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & |
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324 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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325 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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326 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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327 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & |
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328 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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329 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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330 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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331 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & |
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332 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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333 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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334 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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335 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & |
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336 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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337 | DO jk = 1, nlay_i !--- ice heat contents --- |
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338 | CALL lim_adv_y( zusnit, v_ice, 1._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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339 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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340 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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341 | CALL lim_adv_x( zusnit, u_ice, 0._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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342 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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343 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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344 | END DO |
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345 | END DO |
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346 | END DO |
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347 | ENDIF |
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348 | |
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349 | !------------------------------------------- |
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350 | ! Recover the properties from their contents |
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351 | !------------------------------------------- |
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352 | ato_i(:,:) = z0opw(:,:,1) * r1_e12t(:,:) |
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353 | DO jl = 1, jpl |
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354 | v_i (:,:,jl) = z0ice(:,:,jl) * r1_e12t(:,:) |
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355 | v_s (:,:,jl) = z0snw(:,:,jl) * r1_e12t(:,:) |
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356 | smv_i(:,:,jl) = z0smi(:,:,jl) * r1_e12t(:,:) |
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357 | oa_i (:,:,jl) = z0oi (:,:,jl) * r1_e12t(:,:) |
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358 | a_i (:,:,jl) = z0ai (:,:,jl) * r1_e12t(:,:) |
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359 | e_s (:,:,1,jl) = z0es (:,:,jl) * r1_e12t(:,:) |
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360 | DO jk = 1, nlay_i |
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361 | e_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e12t(:,:) |
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362 | END DO |
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363 | END DO |
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364 | |
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365 | at_i(:,:) = a_i(:,:,1) ! total ice fraction |
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366 | DO jl = 2, jpl |
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367 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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368 | END DO |
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369 | |
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370 | CALL wrk_dealloc( jpi,jpj, zarea ) |
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371 | CALL wrk_dealloc( jpi,jpj,1, z0opw ) |
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372 | CALL wrk_dealloc( jpi,jpj,jpl, z0ice, z0snw, z0ai, z0es , z0smi , z0oi ) |
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373 | CALL wrk_dealloc( jpi,jpj,nlay_i,jpl, z0ei ) |
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374 | |
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375 | #endif |
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376 | |
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377 | !------------------------------! |
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378 | ! Diffusion of Ice fields |
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379 | !------------------------------! |
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380 | IF( nn_ahi0 /= -1 .AND. nn_limdyn == 2 ) THEN |
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381 | ! |
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382 | ! --- Prepare diffusion for variables with categories --- ! |
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383 | ! mask eddy diffusivity coefficient at ocean U- and V-points |
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384 | jm=1 |
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385 | DO jl = 1, jpl |
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386 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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387 | DO ji = 1 , fs_jpim1 |
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388 | pahu3D(ji,jj,jl) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji ,jj, jl ) ) ) ) & |
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389 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji+1,jj, jl ) ) ) ) * ahiu(ji,jj) |
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390 | pahv3D(ji,jj,jl) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji, jj, jl ) ) ) ) & |
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391 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- a_i(ji, jj+1,jl ) ) ) ) * ahiv(ji,jj) |
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392 | END DO |
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393 | END DO |
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394 | |
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395 | zhdfptab(:,:,jm)= a_i (:,:, jl); jm = jm + 1 |
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396 | zhdfptab(:,:,jm)= v_i (:,:, jl); jm = jm + 1 |
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397 | zhdfptab(:,:,jm)= v_s (:,:, jl); jm = jm + 1 |
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398 | zhdfptab(:,:,jm)= smv_i(:,:, jl); jm = jm + 1 |
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399 | zhdfptab(:,:,jm)= oa_i (:,:, jl); jm = jm + 1 |
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400 | zhdfptab(:,:,jm)= e_s (:,:,1,jl); jm = jm + 1 |
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401 | ! Sample of adding more variables to apply lim_hdf (ihdf_vars must be increased) |
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402 | ! zhdfptab(:,:,jm) = variable_1 (:,:,1,jl); jm = jm + 1 |
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403 | ! zhdfptab(:,:,jm) = variable_2 (:,:,1,jl); jm = jm + 1 |
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404 | DO jk = 1, nlay_i |
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405 | zhdfptab(:,:,jm)=e_i(:,:,jk,jl); jm= jm+1 |
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406 | END DO |
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407 | END DO |
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408 | |
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409 | ! --- Prepare diffusion for open water area --- ! |
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410 | ! mask eddy diffusivity coefficient at ocean U- and V-points |
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411 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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412 | DO ji = 1 , fs_jpim1 |
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413 | pahu3D(ji,jj,jpl+1) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji ,jj) ) ) ) & |
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414 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji+1,jj) ) ) ) * ahiu(ji,jj) |
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415 | pahv3D(ji,jj,jpl+1) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji,jj ) ) ) ) & |
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416 | & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- at_i(ji,jj+1) ) ) ) * ahiv(ji,jj) |
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417 | END DO |
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418 | END DO |
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419 | ! |
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420 | zhdfptab(:,:,jm)= ato_i (:,:); |
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421 | |
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422 | ! --- Apply diffusion --- ! |
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423 | CALL lim_hdf( zhdfptab, ihdf_vars ) |
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424 | |
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425 | ! --- Recover properties --- ! |
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426 | jm=1 |
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427 | DO jl = 1, jpl |
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428 | a_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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429 | v_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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430 | v_s (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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431 | smv_i(:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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432 | oa_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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433 | e_s (:,:,1,jl) = zhdfptab(:,:,jm); jm = jm + 1 |
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434 | ! Sample of adding more variables to apply lim_hdf |
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435 | ! variable_1 (:,:,1,jl) = zhdfptab(:,:, jm ) ; jm + 1 |
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436 | ! variable_2 (:,:,1,jl) = zhdfptab(:,:, jm ) ; jm + 1 |
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437 | DO jk = 1, nlay_i |
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438 | e_i(:,:,jk,jl) = zhdfptab(:,:,jm);jm= jm + 1 |
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439 | END DO |
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440 | END DO |
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441 | ato_i (:,:) = zhdfptab(:,:,jm) |
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442 | |
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443 | ENDIF |
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444 | |
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445 | ! --- diags --- |
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446 | DO jj = 1, jpj |
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447 | DO ji = 1, jpi |
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448 | diag_trp_ei (ji,jj) = ( SUM( e_i (ji,jj,1:nlay_i,:) ) - zeiold(ji,jj) ) * r1_rdtice |
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449 | diag_trp_es (ji,jj) = ( SUM( e_s (ji,jj,1:nlay_s,:) ) - zesold(ji,jj) ) * r1_rdtice |
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450 | diag_trp_smv(ji,jj) = ( SUM( smv_i(ji,jj,:) ) - zsmvold(ji,jj) ) * r1_rdtice |
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451 | diag_trp_vi (ji,jj) = SUM( v_i(ji,jj,:) - zviold(ji,jj,:) ) * r1_rdtice |
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452 | diag_trp_vs (ji,jj) = SUM( v_s(ji,jj,:) - zvsold(ji,jj,:) ) * r1_rdtice |
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453 | END DO |
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454 | END DO |
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455 | |
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456 | IF( nn_limdyn == 2) THEN |
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457 | |
---|
458 | ! zap small areas |
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459 | CALL lim_var_zapsmall |
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460 | |
---|
461 | !--- Thickness correction in case too high --- ! |
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462 | DO jl = 1, jpl |
---|
463 | DO jj = 1, jpj |
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464 | DO ji = 1, jpi |
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465 | |
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466 | IF ( v_i(ji,jj,jl) > 0._wp ) THEN |
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467 | |
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468 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) |
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469 | ht_i (ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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470 | ht_s (ji,jj,jl) = v_s (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
---|
471 | |
---|
472 | zdv = v_i(ji,jj,jl) + v_s(ji,jj,jl) - zviold(ji,jj,jl) - zvsold(ji,jj,jl) |
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473 | |
---|
474 | IF ( ( zdv > 0.0 .AND. (ht_i(ji,jj,jl)+ht_s(ji,jj,jl)) > zhimax(ji,jj,jl) .AND. zatold(ji,jj) < 0.80 ) .OR. & |
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475 | & ( zdv <= 0.0 .AND. (ht_i(ji,jj,jl)+ht_s(ji,jj,jl)) > zhimax(ji,jj,jl) ) ) THEN |
---|
476 | |
---|
477 | rswitch = MAX( 0._wp, SIGN( 1._wp, zhimax(ji,jj,jl) - epsi20 ) ) |
---|
478 | a_i(ji,jj,jl) = rswitch * ( v_i(ji,jj,jl) + v_s(ji,jj,jl) ) / MAX( zhimax(ji,jj,jl), epsi20 ) |
---|
479 | |
---|
480 | ! small correction due to *rswitch for a_i |
---|
481 | v_i (ji,jj,jl) = rswitch * v_i (ji,jj,jl) |
---|
482 | v_s (ji,jj,jl) = rswitch * v_s (ji,jj,jl) |
---|
483 | smv_i(ji,jj,jl) = rswitch * smv_i(ji,jj,jl) |
---|
484 | e_s(ji,jj,1,jl) = rswitch * e_s(ji,jj,1,jl) |
---|
485 | e_i(ji,jj,1:nlay_i,jl) = rswitch * e_i(ji,jj,1:nlay_i,jl) |
---|
486 | |
---|
487 | ENDIF |
---|
488 | |
---|
489 | ENDIF |
---|
490 | |
---|
491 | END DO |
---|
492 | END DO |
---|
493 | END DO |
---|
494 | |
---|
495 | ! Force the upper limit of ht_i to always be < hi_max (99 m). |
---|
496 | DO jj = 1, jpj |
---|
497 | DO ji = 1, jpi |
---|
498 | rswitch = MAX( 0._wp , SIGN( 1._wp, ht_i(ji,jj,jpl) - epsi20 ) ) |
---|
499 | ht_i(ji,jj,jpl) = MIN( ht_i(ji,jj,jpl) , hi_max(jpl) ) |
---|
500 | a_i (ji,jj,jpl) = v_i(ji,jj,jpl) / MAX( ht_i(ji,jj,jpl) , epsi20 ) * rswitch |
---|
501 | END DO |
---|
502 | END DO |
---|
503 | |
---|
504 | ENDIF |
---|
505 | |
---|
506 | !------------------------------------------------------------ |
---|
507 | ! Impose a_i < amax if no ridging/rafting or in mono-category |
---|
508 | !------------------------------------------------------------ |
---|
509 | ! |
---|
510 | at_i(:,:) = SUM( a_i(:,:,:), dim=3 ) |
---|
511 | IF ( nn_limdyn == 1 .OR. ( ( nn_monocat == 2 ) .AND. ( jpl == 1 ) ) ) THEN ! simple conservative piling, comparable with LIM2 |
---|
512 | DO jl = 1, jpl |
---|
513 | DO jj = 1, jpj |
---|
514 | DO ji = 1, jpi |
---|
515 | rswitch = MAX( 0._wp, SIGN( 1._wp, at_i(ji,jj) - epsi20 ) ) |
---|
516 | zda = rswitch * MIN( rn_amax_2d(ji,jj) - at_i(ji,jj), 0._wp ) & |
---|
517 | & * a_i(ji,jj,jl) / MAX( at_i(ji,jj), epsi20 ) |
---|
518 | a_i(ji,jj,jl) = a_i(ji,jj,jl) + zda |
---|
519 | END DO |
---|
520 | END DO |
---|
521 | END DO |
---|
522 | ENDIF |
---|
523 | |
---|
524 | ! --- agglomerate variables ----------------- |
---|
525 | vt_i(:,:) = SUM( v_i(:,:,:), dim=3 ) |
---|
526 | vt_s(:,:) = SUM( v_s(:,:,:), dim=3 ) |
---|
527 | at_i(:,:) = SUM( a_i(:,:,:), dim=3 ) |
---|
528 | |
---|
529 | ! --- open water = 1 if at_i=0 -------------------------------- |
---|
530 | WHERE( at_i == 0._wp ) ato_i = 1._wp |
---|
531 | |
---|
532 | ! conservation test |
---|
533 | IF( ln_limdiahsb ) CALL lim_cons_hsm(1, 'limtrp', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
---|
534 | |
---|
535 | ! ------------------------------------------------- |
---|
536 | ! control prints |
---|
537 | ! ------------------------------------------------- |
---|
538 | IF( ln_icectl ) CALL lim_prt( kt, iiceprt, jiceprt,-1, ' - ice dyn & trp - ' ) |
---|
539 | ! |
---|
540 | CALL wrk_dealloc( jpi,jpj, zatold, zeiold, zesold, zsmvold ) |
---|
541 | CALL wrk_dealloc( jpi,jpj,jpl, zhimax, zviold, zvsold ) |
---|
542 | CALL wrk_dealloc( jpi,jpj,jpl*(ihdf_vars + nlay_i)+1, zhdfptab) |
---|
543 | ! |
---|
544 | IF( nn_timing == 1 ) CALL timing_stop('limtrp') |
---|
545 | ! |
---|
546 | END SUBROUTINE lim_trp |
---|
547 | |
---|
548 | #else |
---|
549 | !!---------------------------------------------------------------------- |
---|
550 | !! Default option Empty Module No sea-ice model |
---|
551 | !!---------------------------------------------------------------------- |
---|
552 | CONTAINS |
---|
553 | SUBROUTINE lim_trp ! Empty routine |
---|
554 | END SUBROUTINE lim_trp |
---|
555 | #endif |
---|
556 | |
---|
557 | !!====================================================================== |
---|
558 | END MODULE limtrp |
---|